First, you need to remember the Grammar Rules. However, you do not need to know all grammar rules after solving previous year papers you can easily understand what kind of question SSC is framing and specially judges your ability to understand English and Proper Usage of Grammar. For improvement on understanding English Read Newspapers (The Hindu and Economic Times) and Books on Grammar... You need to develop a habit to learn new words daily from newspaper, news channels, books etc. It will help you build your own lexicon of essential words....